source4/libcli/smb2/flush.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    SMB2 client flush handling
   5
   6    Copyright (C) Andrew Tridgell 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libcli/smb2/smb2.h"
  24 #include "libcli/smb2/smb2_calls.h"
  25
  26 /*
  27   send a flush request
  28 */
  29 struct smb2_request *smb2_flush_send(struct smb2_tree *tree, struct smb2_flush *io)
  30 {
  31         struct smb2_request *req;
  32
  33         req = smb2_request_init_tree(tree, SMB2_OP_FLUSH, 0x18, false, 0);
  34         if (req == NULL) return NULL;
  35
  36         SSVAL(req->out.body, 0x02, io->in.reserved1);
  37         SIVAL(req->out.body, 0x04, io->in.reserved2);
  38         smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
  39
  40         smb2_transport_send(req);
  41
  42         return req;
  43 }
  44
  45
  46 /*
  47   recv a flush reply
  48 */
  49 NTSTATUS smb2_flush_recv(struct smb2_request *req, struct smb2_flush *io)
  50 {
  51         if (!smb2_request_receive(req) ||
  52             !smb2_request_is_ok(req)) {
  53                 return smb2_request_destroy(req);
  54         }
  55
  56         SMB2_CHECK_PACKET_RECV(req, 0x04, false);
  57
  58         io->out.reserved = SVAL(req->in.body, 0x02);
  59
  60         return smb2_request_destroy(req);
  61 }
  62
  63 /*
  64   sync flush request
  65 */
  66 NTSTATUS smb2_flush(struct smb2_tree *tree, struct smb2_flush *io)
  67 {
  68         struct smb2_request *req = smb2_flush_send(tree, io);
  69         return smb2_flush_recv(req, io);
  70 }